Home / 2,809,602.82-3,877,261.68-1,520,442.87

Finding the Fourth Proportional to 2,809,602.82, 3,877,261.68 and 1,520,442.87

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Solution

The fourth proportional to 2,809,602.82, 3,877,261.68 and 1,520,442.87 is: 2,098,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,602.82 : 3,877,261.68 = 1,520,442.87 : x
  2. Step 2: Convert to fraction form
    2,809,602.82/3,877,261.68 = 1,520,442.87/x
  3. Step 3: Cross multiply
    2,809,602.82x = 3,877,261.68 × 1,520,442.87
  4. Step 4: Simplify right side
    2,809,602.82x = 5,895,154,876,480.22
  5. Step 5: Solve for x
    x = 5,895,154,876,480.22/2,809,602.82
  6. Step 6: Final answer
    x = 2,098,216.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.